package thread;

public class ThreadDemo2 {
    public static void main(String[] args) {
        Runnable r1 = new MyRunnable1();
        Runnable r2 = new MyRunnable2();
        Thread t1 = new Thread(r1);
        Thread t2 = new Thread(r2);
        t1.start();
        t2.start();
    }
}

class  MyRunnable1 implements Runnable{
    public void run(){
        for (int i = 0; i < 2000; i++) {
            System.out.println("开门，查水表！");
        }
    }
}
class  MyRunnable2 implements Runnable{
    public void run(){
        for (int i = 0; i < 2000; i++) {
            System.out.println("没人在家！");
        }
    }
}